Customer interaction manager on a restaurant computer

A method for managing customer interaction with a business implemented by a point of sale (POS) computer located at the business and communicating over the Internet with a server computer, the method comprising:

• receiving, by the POS computer, a playlist from a jukebox located at the business;
• starting, by the POS computer, a purchase transaction for a customer present at the business;
• establishing, by the POS computer, an Internet session with the server computer by transmitting a purchase transaction started notification for the started purchase transaction to the server computer and receiving a unique identifier from the server computer where the unique identifier uniquely identifies the started purchase transaction;
• providing, by the POS computer, the unique identifier and a uniform resource locator (URL) to a mobile device operated by the customer where the URL is an Internet address serviced by the server computer, and receiving from the server computer the playlist, wherein providing further includes authenticating the customer for the purchase transaction through the unique identifier entered from the mobile device with the URL by the customer and authentication, by the server computer, the customer for access to information for the purchase transaction through the mobile device based on the unique identifier;
• receiving from the mobile device a request during the Internet session with the server computer using the Internet where the request includes the unique identifier and a selected item from the playlist in response to the mobile device receiving the playlist through the server computer located at the URL;
• processing the received request by transmitting an instruction to the jukebox to play the selected item;
• and
• adding, by the computer, a charge to the purchase transaction for playing the selected item on the jukebox.